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Producers put 10 rigs back online last week, taking the total to 406, where it remained this week.
This week, the gas rig count fell by 2 to 81, dropping the total by the same number to 489.
Over the last few weeks, the tally rose as crude oil prices rallied out of a bear market. Also, the largest oilfield services companies signaled that they anticipated a turnaround in the oil market during the second half of the year.
After the release, West Texas Intermediate crude oil futures in New York were little changed, up 0.04% to $47.52 per barrel.
Earlier, prices fluctuated after reports that Yemen's Houthi forces reportedly fired missiles targeting Saudi Aramco, the state-run oil company. The company said all its operations were going as normal.
Here's the latest chart of the oil rig count: